On 3 October 2019, the awarding ceremony of the Fifth MediaTEK-2019 All-Russian Contest was held as part of the business programme of the Russian Energy Week International Forum

Vadim Vederchik was appointed Managing Director of TGC-1 in connection with the termination of an employment contract with Alexey Barvinok, the former General Director of TGC-1

On 27 September 2019, Extraordinary General Shareholders Meeting of TGC-1 took place as an absent voting

Starting from 24 September 2019, in accordance with the order of the Energy and Engineering Committee under St. Petersburg Administration, nine combined heat and power plants of TGC-1 in St. Petersburg will operate in a winter heat delivery mode. At the same time, the connection of residential facilities, adjustment of domestic heat supply systems is made by management organisations in stages and takes several days

International rating agency S&P Global Ratings approved the rating of TGC-1 as BBB-/Stable.

On 20 September 2019, Petrozavodskaya CHPP, the major heat supply plant of Petrozavodsk, switched to winter operating mode, in accordance with the order of the Ministry of Construction, Housing and Communal Services, and Energy of the Republic of Karelia

Fitch Ratings international rating agency has upgraded TGC-1's long-term foreign and local currency issuer default ratings (IDR) to BBB; Outlook Stable. Fitch has affirmed the company's short-term foreign and local currency IDR at 'F3' and upgraded the priority unsecured rating in local currency to BBB

The TGC-1 project dedicated to the 150th anniversary of power engineer Genrikh Graftio started in St. Petersburg on 6 September. It includes an exhibit about the most important periods in the life of the founder of the Russian hydropower engineering school, and walking tours to the places where Genrikh Graftio lived and worked

Apatitskaya CHPP of TGC-1, the only heat supply source of the towns of Apatity and Kirovsk in Murmansk Oblast, switched to the winter operating mode